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. Author manuscript; available in PMC: 2010 Feb 10.
Published in final edited form as: Ann Behav Med. 2010 Jan 5;38(3):237. doi: 10.1007/s12160-009-9142-3

Table 1.

Characteristics of the Sample

Overall Sample
(N = 2429)
Never Smokers
(N = 735)
Former Smokers
(N = 999)
Current Smokers
(N = 695)

Mean [SD] /
N [%]
Mean [SD] /
N [%]
Mean [SD] /
N [%]
Mean [SD] /
N [%]
Female 1,115 333 440 342
[45.90%] [45.31%] [44.04%] [49.21%]
Age 46.81 46.81 50.58 43.93
[12.92] [12.92] [12.82] [11.92]
Black 125 48 44 33
[5.15%] [6.53%] [4.40%] [4.75%]
Other Race 109 35 41 33
[4.49%] [4.76%] [4.10%] [4.75%]
Education Scale 5.84 6.48 5.97 4.98
Mean Level
[2.44] [2.4] [2.51] [2.13]
Education Scale Levels
0) No school/ 10 1 6 3
some grade school [.41%] [.14%] [.60%] [.43%]
1) 8th grade / 29 4 13 12
junior high school [1.19%] [.68%] [1.3%] [1.73%]
2) Some high school 157 25 60 72
[6.46%] [4.08%] [6.01%] [10.36%]
3) GED 34 2 15 17
[1.4%] [.27%] [6.01%] [2.45%]
4) Attended high school 675 162 275 238
through graduation [27.79%] [22.04%] [27.53%] [34.24%]
5) 1-2 yrs. College 479 140 172 167
no degree [19.72%] [19.05%] [17.22%] [24.03%]
6) 3+ yrs. College 113 42 41 30
no degree [4.65%] [5.71%] [4.1%] [4.32%]
7) 2 year college 162 51 67 44
Degree [6.67%] [6.94%] [6.71%] [6.33%]
8) 4 year college degree 441 171 199 71
[18.16%] [23.27%] [19.92%] [10.22%]
9) Some graduate school 66 34 25 7
[2.72%] [4.63%] [2.5%] [1.01%]
10) Masters degree 180 63 94 23
[7.41%] [8.57%] [9.41%] [3.31%]
11) Doctoral degree 83 40 32 11
[3.42%] [5.44%] [3.2%] [1.58%]
Parental SEI 38.02 39.64 38.22 36.01
[13.67] [13.98] [13.87] [12.77]
Household $50,000 $55,500 $51,500 $45,000
Incomea [$28,500 – $88,000] [$32,000 - $101,500] [$29,500 – $90,000] [$26,000 – $76,500]
Wealtha $27,500 $32,500 $47,500 $9,500
[$0 – $125,000] [$0 – $125,000] [$500 – $175,000] [$0 – $62,500]
Neuroticism 2.26 2.20 2.82 2.31
[.67] [.60] [.66] [.70]
Extraversion 3.19 3.19 3.16 3.22
[.56] [.56] [.59] [.53]
Openness 3.06 3.06 3.05 3.08
[.52] [.52] [.53] [.52]
Agreeableness 3.46 3.42 3.45 3.51
[.50] [.52] [.50] [.48]
Conscientiousness 3.46 3.43 3.38 3.35
[.45] [.42] [.45] [.48]

Note. SEI = Duncan’s Socioeconomic Index. Parental SEI and personality traits scores reported in raw score units.

a

= values are median [interquartile range]